The HV car mount model is a Heavy Duty sturdy mount; it shows no shacking while driving. The SlipGrip Car mount is compatible with any windshield or flat smooth surface which allows for a suction cup to stick to. The bracket is well constructed and designed for strength and is perfectly designed to fit your device snuggly. SlipGrip Mounts are constructed form High Quality ABS plastic. Photos are stock, but the actual mount delivered to you will be the one you ordered. The new HV Mount has a 22mm ball, which allows for smooth articulation of the holder.